EP0936491A4 - CLOCK - Google Patents

CLOCK

Info

Publication number
EP0936491A4
EP0936491A4 EP98935295A EP98935295A EP0936491A4 EP 0936491 A4 EP0936491 A4 EP 0936491A4 EP 98935295 A EP98935295 A EP 98935295A EP 98935295 A EP98935295 A EP 98935295A EP 0936491 A4 EP0936491 A4 EP 0936491A4
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
type polarizer
polarizer plate
crystal cell
viewing side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98935295A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0936491A1 (en
Inventor
Yuichi Akiba
Masafumi Ide
Takashi Akiyama
Kanetaka Sekiguchi
Masami Kikuchi
Koji Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of EP0936491A1 publication Critical patent/EP0936491A1/en
Publication of EP0936491A4 publication Critical patent/EP0936491A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133567—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the back side

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Electric Clocks (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
EP98935295A 1997-07-30 1998-07-30 CLOCK Withdrawn EP0936491A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP20441597 1997-07-30
JP9204415A JPH11174172A (ja) 1997-07-30 1997-07-30 時 計
PCT/JP1998/003410 WO1999006879A1 (fr) 1997-07-30 1998-07-30 Montre

Publications (2)

Publication Number Publication Date
EP0936491A1 EP0936491A1 (en) 1999-08-18
EP0936491A4 true EP0936491A4 (en) 1999-12-22

Family

ID=16490171

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98935296A Expired - Lifetime EP0936492B1 (en) 1997-07-30 1998-07-30 Liquid crystal display
EP98935295A Withdrawn EP0936491A4 (en) 1997-07-30 1998-07-30 CLOCK

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98935296A Expired - Lifetime EP0936492B1 (en) 1997-07-30 1998-07-30 Liquid crystal display

Country Status (10)

Country Link
US (1) US6292439B1 (zh)
EP (2) EP0936492B1 (zh)
JP (4) JPH11174172A (zh)
KR (2) KR100334659B1 (zh)
CN (2) CN1120996C (zh)
AU (2) AU8461298A (zh)
BR (1) BR9806121A (zh)
DE (1) DE69808594T2 (zh)
HK (1) HK1022954A1 (zh)
WO (2) WO1999006880A1 (zh)

Families Citing this family (40)

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Publication number Priority date Publication date Assignee Title
WO2000036582A1 (fr) * 1998-12-15 2000-06-22 Citizen Watch Co., Ltd. Dispositif électronique
JP2003207583A (ja) * 1999-07-16 2003-07-25 Citizen Watch Co Ltd 時 計
US6723396B1 (en) * 1999-08-17 2004-04-20 Western Washington University Liquid crystal imprinting
JP2001134221A (ja) * 1999-09-13 2001-05-18 Asulab Sa ２つの重なり合った表示装置を含む表示アセンブリ
CA2384825C (en) * 1999-10-08 2006-05-30 3M Innovative Properties Company Display illumination device and method of enhancing brightness in a display illumination device
US6574044B1 (en) * 1999-10-25 2003-06-03 3M Innovative Properties Company Polarizer constructions and display devices exhibiting unique color effects
US6538714B1 (en) 1999-10-25 2003-03-25 3M Innovative Properties Company Dual color guest-host polarizers and devices containing guest-host polarizers
EP1128240B1 (fr) * 2000-02-22 2009-07-15 Asulab S.A. Ensemble d'affichage à inversion de constrate comprenant deux dispositifs d'affichage superposés
TW546555B (en) * 2000-05-16 2003-08-11 Asulab Sa Display assembly with chromatic contrast inversion
JP2002214599A (ja) * 2000-11-16 2002-07-31 Seiko Epson Corp 液晶表示装置の製造方法および液晶表示装置
JP3598987B2 (ja) * 2001-03-28 2004-12-08 セイコーエプソン株式会社 液晶表示装置および電子機器
JP2003140136A (ja) * 2001-05-01 2003-05-14 Rohm Co Ltd 液晶表示装置およびその光散乱用の面の形成方法
US6989877B2 (en) 2001-06-06 2006-01-24 Seiko Epson Corporation Liquid crystal display device and electronic apparatus
WO2003034133A1 (fr) * 2001-10-12 2003-04-24 Rohm Co., Ltd. Appareil d'affichage a cristaux liquides, dispositif miroir, dispositif electrique dote d'un appareil d'affichage a cristaux liquides
US20050156839A1 (en) * 2001-11-02 2005-07-21 Webb Homer L. Field sequential display device and methods of fabricating same
US7054233B2 (en) * 2001-11-30 2006-05-30 Equity Industries, Inc. Wall clock with dial illumination
WO2003048821A1 (en) * 2001-11-30 2003-06-12 Equity Industries Corp. Clocks with diffusion reflector lighting
US6987710B2 (en) * 2001-11-30 2006-01-17 Equity Industries, Inc. Alarm clock with dial illumination
MXPA02003689A (es) 2002-03-01 2004-04-05 Fossil Inc Dispositivo de relojeria mejorado.
US20040017524A1 (en) * 2002-07-25 2004-01-29 Zili Li Color display and solar cell device
KR20040031858A (ko) * 2002-10-04 2004-04-14 삼성전자주식회사 액정표시장치
KR20070082305A (ko) * 2006-02-16 2007-08-21 삼성전자주식회사 광학 시트 및 이를 갖는 표시 장치
US20080186428A1 (en) * 2007-02-06 2008-08-07 Nitto Denko Corporation Optical apparatus, image display, and liquid crystal display
JP2008216963A (ja) 2007-02-06 2008-09-18 Nitto Denko Corp 光学装置、画像表示装置および液晶表示装置
JP2010066564A (ja) * 2008-09-11 2010-03-25 Seiko Epson Corp 電気泳動表示装置、その製造方法及び腕時計
US8467177B2 (en) * 2010-10-29 2013-06-18 Apple Inc. Displays with polarizer windows and opaque masking layers for electronic devices
KR101714057B1 (ko) * 2010-12-28 2017-03-09 엘지디스플레이 주식회사 액정표시장치
EP2477084A1 (fr) * 2011-01-18 2012-07-18 ETA SA Manufacture Horlogère Suisse Montre comprenant un connecteur zébra pour la connexion électrique entre un dispositif d'affichage numérique et une carte de circuit imprimé et procédé d'assemblage d'une telle montre
EP2584413B1 (fr) * 2011-10-21 2014-08-13 ETA SA Manufacture Horlogère Suisse Procédé de fixation d'une glace sur une carrure d'une boîte de montre
CN103246104B (zh) * 2012-02-14 2017-09-26 日本精机株式会社 液晶显示装置
CN103345142B (zh) * 2013-07-16 2016-08-24 苏州经贸职业技术学院 一种多功能智能电子钟
US9990000B2 (en) * 2013-09-10 2018-06-05 Suunto Oy Electronic display suitable for submersion
CN103676306B (zh) * 2014-01-15 2017-06-30 青岛斯博锐意电子技术有限公司 一种透明液晶显示板及透明展示装置
EP3032357B1 (fr) * 2014-12-09 2017-05-03 The Swatch Group Research and Development Ltd. Dispositif d'affichage pour un objet portable tel qu'une pièce d'horlogerie
JP6486128B2 (ja) * 2015-02-05 2019-03-20 住友化学株式会社 複合偏光板及び液晶表示装置
TWI715667B (zh) * 2016-06-17 2021-01-11 日商半導體能源研究所股份有限公司 顯示裝置、顯示模組、電子裝置及顯示裝置的製造方法
CN109031752B (zh) * 2017-06-16 2023-11-14 京东方科技集团股份有限公司 一种反射式液晶显示面板及显示装置
EP3835890B1 (fr) * 2019-12-13 2022-06-15 The Swatch Group Research and Development Ltd Dispositif d'affichage digital comprenant deux cellules d'affichage superposees
CN111258108B (zh) * 2020-03-03 2021-10-01 Tcl华星光电技术有限公司 显示模组及其显示方法
EP4016172A1 (fr) * 2020-12-21 2022-06-22 The Swatch Group Research and Development Ltd Procédé de fabrication d'un dispositif d'affichage à cristal liquide et dispositif d'affichage a cristal liquide

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606939A1 (en) * 1993-01-11 1994-07-20 Koninklijke Philips Electronics N.V. Illumination system and display device including such a system
EP0877282A2 (en) * 1997-01-20 1998-11-11 Seiko Epson Corporation Liquid crystal display device and apparatus for using the same
EP0884622A2 (en) * 1997-06-09 1998-12-16 Seiko Epson Corporation Display device and electronic timepiece

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JPS54153066A (en) 1978-05-23 1979-12-01 Keiji Iimura Electronic analogue timepiece
JP3016108B2 (ja) 1993-02-05 2000-03-06 セイコーインスツルメンツ株式会社 反射型液晶電気光学装置
TW343290B (en) * 1994-06-09 1998-10-21 Hitachi Ltd Reflection type liquid crystal display device and reflection type color liquid crystal display device
JP3256407B2 (ja) * 1995-05-19 2002-02-12 シャープ株式会社 反射型カラー液晶表示装置
US5686979A (en) * 1995-06-26 1997-11-11 Minnesota Mining And Manufacturing Company Optical panel capable of switching between reflective and transmissive states
JP3935936B2 (ja) * 1995-06-26 2007-06-27 スリーエム カンパニー 反射偏光型半透過反射体を備えた半透過反射型ディスプレイ
JPH103078A (ja) 1995-10-17 1998-01-06 Seiko Epson Corp 反射型液晶装置及びこれを用いた電子機器
JP3331903B2 (ja) 1996-08-23 2002-10-07 セイコーエプソン株式会社 表示素子及びそれを用いた電子機器
JP3466433B2 (ja) * 1996-11-12 2003-11-10 シャープ株式会社 液晶表示装置
US5888679A (en) * 1997-03-27 1999-03-30 Canon Kabushiki Kaisha Production process of color filter, color filter produced thereby and liquid crystal display device using such color filter
US6067136A (en) * 1997-07-23 2000-05-23 Citizen Watch Co., Ltd. Birefringence-type color liquid crystal display device
US6075582A (en) * 1999-04-22 2000-06-13 Chisso Corporation LCD with zig-zag electrodes on both substrates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0606939A1 (en) * 1993-01-11 1994-07-20 Koninklijke Philips Electronics N.V. Illumination system and display device including such a system
EP0877282A2 (en) * 1997-01-20 1998-11-11 Seiko Epson Corporation Liquid crystal display device and apparatus for using the same
EP0884622A2 (en) * 1997-06-09 1998-12-16 Seiko Epson Corporation Display device and electronic timepiece

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9906879A1 *

Also Published As

Publication number Publication date
DE69808594T2 (de) 2003-06-18
JPH11174172A (ja) 1999-07-02
CN1236443A (zh) 1999-11-24
BR9806121A (pt) 1999-08-31
CN1236442A (zh) 1999-11-24
CN1120996C (zh) 2003-09-10
EP0936491A1 (en) 1999-08-18
KR20000068676A (ko) 2000-11-25
EP0936492A4 (en) 1999-12-22
JP2000304884A (ja) 2000-11-02
KR100334659B1 (ko) 2002-04-27
DE69808594D1 (de) 2002-11-14
KR20000068649A (ko) 2000-11-25
JP3073025B2 (ja) 2000-08-07
US6292439B1 (en) 2001-09-18
KR100295131B1 (ko) 2001-08-07
WO1999006879A1 (fr) 1999-02-11
HK1022954A1 (en) 2000-08-25
EP0936492B1 (en) 2002-10-09
WO1999006880A1 (fr) 1999-02-11
CN1126983C (zh) 2003-11-05
JP3073024B2 (ja) 2000-08-07
AU8461298A (en) 1999-02-22
AU8461398A (en) 1999-02-22
EP0936492A1 (en) 1999-08-18

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